Ceiling fan



FIG. 1 is a bottom perspective view of a ceiling fan, showing our new design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a left elevational view thereof; and,

FIG. 8 is a right elevational view thereof.

The mounting tube, fan blades, fan blade portions, lower plates, retainers, and fasteners shown in broken lines are unclaimed environment, and form no part of the claimed design. 

The ornamental design for a ceiling fan, as shown and described. 